Used Audi A6 for Sale nearKnoxville, TN

How much does the Audi A6 cost in today's market?

Used Audi A6 prices span a wide range depending on model year. Here's what the market looks like right now:

The Audi A6's current nationwide average price is $26,748, and its lowest point over the past year was $21,968. Recently, prices have come down for the 2023, 2024, and 2025 models, making now a good time to shop recent model years.

Is the Audi A6 a good car?

Yes — the Audi A6 is a strong choice if you want a luxury sedan that blends comfort, performance, and technology. The all-generations owner rating is 4.59/5 across every model year in the data.

Owners consistently praise the A6 for its comfortable interiors, smooth handling, and strong engines, and the model’s premium cabin and long-distance comfort come up again and again. The A6 also earns repeat praise for its advanced technology and understated design, which help it feel upscale without being flashy.

Expert reviews rate the 2019 and 2026 models among the highest across all years.

The main trade-offs that show up in recent expert coverage are unimpressive interior materials, a poorly executed infotainment system, and an unrefined driving experience.

34.4% of listings are priced as good or great deals.

Are Audi A6 models reliable?

Owners and experts consistently point to the A6’s comfortable ride, premium feel, and strong technology content as core strengths. Across the model years in the data, you also see repeated praise for smooth handling, refined road manners, and a cabin that feels well suited to long-distance driving.

• Owners rate the Audi A6 between 3.86 and 5.0 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is most tied to maintenance costs and the condition of individual examples, so a careful inspection and service-history review matter a lot.

What should I look for when buying a used Audi A6?

Across all model years, accident-free inventory is solid at 77.4% — always verify the vehicle history report.

Older model years carry meaningfully higher accident rates, so always verify the vehicle history report on pre-2020 models.

Key things to evaluate:

• Safety package: adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning
• Infotainment: standard wireless Apple CarPlay and Android Auto
• Fuel efficiency: EPA-rated 23 mpg combined (20 mpg city, 29 mpg highway)

Which Audi A6 trim should I buy?

The 2026 Audi A6 offers these trims:

• Premium: the base A6 trim includes the turbocharged 3.0-liter V6, standard quattro all-wheel drive, a seven-speed dual-clutch transmission, and 19-inch wheels with all-season run-flat tires.
• Premium Plus: this trim adds adaptive cruise assist, a 360-degree camera system, and a park-assist system, making it the best-value choice for shoppers who want more convenience and driver-assist tech.
• Prestige: this trim adds adaptive air suspension as standard, and it can be equipped with the Sport Plus Package for rear-axle steering, a sport rear differential, and a lower ride height.

What Audi A6 do most buyers choose?

The Audi A6 years with the most listings are 2018, 2024, and 2023.

Higher-volume years tend to be popular because they give you more inventory to compare, which can make it easier to find the right color, mileage, and price. They also often sit in the sweet spot between newer features and more accessible used-car pricing.

What is the Audi A6's resale value?

Most model years are down year over year, which is good news if you’re shopping used because it creates more room for value. The steepest drops are concentrated in newer years, while a few older years have smaller declines and have held closer to their prior pricing.

The 2015, 2023, and 2016 model years have held their value best, with the smallest year-over-year price changes.

Is the Audi A6 safe?

• 2026: 6/10
• 2019: 10/10

The 2026 A6 comes standard with adaptive cruise control, forward-collision warning, automatic emergency braking, rear cross-traffic alert, blind-spot monitors, traffic-sign recognition, parking sensors, and lane-departure warning.

For the safest used buy, the 2019 model posts the highest confirmed score of 10/10.

Should I buy a used Audi A6 now or wait for the next model?

Buy now if:

• Price trend: The 2025 model is at −14.57% versus a year ago, and the 2024 model is at −19.32%.
• Deal availability: The 2025 model has 36.9% good and great deals, and the 2024 model has 38.7%.
• Sweet-spot year: The 2018 model has the most listings at a current average price of $16,493. The Audi A6 offers a premium cabin, confident road manners, and a refined long-distance character.

Consider waiting if:

• Powertrain/efficiency: The last engine standing is a turbocharged 3.0-liter V6, connected to a seven-speed dual-clutch transmission and standard quattro all-wheel drive (AWD), and it makes 362 horsepower and 406 pound-feet of torque.
• Tech: A standard 11.9-inch digital instrument cluster and 14.5-inch touchscreen flank the driver, and standard wireless Apple CarPlay and Android Auto are included.
• Safety: A park-assist system, adaptive cruise assist, and a 360-degree camera system are standard on the Premium Plus and Prestige trim levels.
• Starting price: Pricing starts at $65,395 for the base A6 Premium.

If you're buying used today, the 2018 model year offers the best mix of value and availability. If you want the latest tech and features, it may be worth waiting for the next model year's inventory to build up.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.